package com.company.manage.system.utils;

import javax.servlet.http.HttpServletRequest;

/**
 * Created by HuangYong on 2016/1/23.
 * desc: 获取客户端ip
 */
public class IPUtil {
    private static final String TAG = "IPUtil";

    public static String getIpAddress(HttpServletRequest request){
        String ip = request.getHeader("x-forwarded-for");
        if(ip==null||ip.length()==0||"unknown".equalsIgnoreCase(ip)){
            ip = request.getHeader("Proxy-Client-IP");
        }
        if(ip==null||ip.length()==0||"unknown".equalsIgnoreCase(ip)){
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("http_client_ip");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
        }
        if (ip != null && ip.indexOf(",") != -1) {
            ip = ip.substring(ip.lastIndexOf(",") + 1, ip.length()).trim();
        }
        if ("0:0:0:0:0:0:0:1".equals(ip)) {
            ip = "127.0.0.1";
        }
        return ip;
    }
} 